Seiko Cal. 6378 - 447

The 6378-447 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-b5a7a8b877fa]

Also known as: Silverwave, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1999

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